Workshop Technology
Which of the following welding process uses non-consumable electrodes?

Manual arc welding
MIG welding
TIG welding
Submerged arc welding

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
During hot working of metals

All of the listed here
Mechanical properties are improved due to refinement of grains
Grain structure of the metal is refined
Porosity of the metal is largely eliminated

ANSWER DOWNLOAD EXAMIANS APP